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Which funds own MSA

MSA Safety in the Q2 2026 filings. At least 2 of the 91 current managers on file reported a position, worth $308m between them. It is among the largest positions of fewer than a fifth of the current managers on file. The quarter went the other way: 5 managers trimmed or sold out against 1 buying.

Managers holding: 2; at least, of 91 current
Combined value: $308m; as reported
Opened: 1; new this quarter
Added to: 0; already held
Trimmed or sold out: 5; 4 sold out entirely

Only each manager’s largest 200 positions are listed here, so a smaller holder may be missing.

Managers reporting a position

Largest first. Weight is the share of that manager’s whole reported book, which is the number worth quoting: $400m is a rounding error in one book and a defining bet in another.

Manager	Value	Weight	Shares	Change on the quarter	Action
Ruane Cunniff & Goldfarb LP Activist · $6.4bn book	$301m	4.7%	1,721,415	+$9.3m-54,867	Trimmed
Quantbot Technologies LP Quantitative · $2.5bn book	$7.8m	0.3%	44,651	opened44,651	New

Sold out of this quarter

Valued at what the position was worth in the previous filing, because by this one it is gone.

Baillie Gifford & Co · Long-only$8.3m held before
ExodusPoint Capital Management LP · Multi-strategy$7.6m held before
Walleye Capital LLC · Multi-strategy$3.1m held before
First Eagle Investment Management LLC · Activist$0 held before

Ownership through time

At least 4 of the 95 managers whose filings are on file listed MSA in Q2 2026, against 2 in Q1 2014. 3 managers fewer than in Q1 2026: 2 started positions; 2 sold out, by their own filings; 3 no longer listed it among the positions read, which can mean a holding below the listed range or a filing not yet made.

Each manager’s largest 500 positions a quarter are read, so a small holding in a very large book can be missing, and a manager is counted as leaving only where its own filing shows it.

Managers on file listing it

Their combined reported value

Between the quarter ends of Q1 2026 and Q2 2026. Each change in shares is valued at the Q2 2026 price, so the price’s own move is left out; a 13F shows the two quarter ends, not when in between anything was bought or sold.

Started in Q2 2026

Largest increases, by shares

Capital Research Global Investorsnew: 306,306 shares+$53m
Quantbot Technologies LPnew: 44,651 shares+$7.8m
Holocene Advisors LP18,265 to 27,902 shares+$1.7m

Largest decreases, by shares

Ruane Cunniff & Goldfarb LP1,776,282 to 1,721,415 shares-$9.6m

Left it

Baillie Gifford & Cowas $8.3m
First Eagle Investment Management LLCwas $4k

Manager	First listed	Largest	Q2 2026
Ruane Cunniff & Goldfarb LP	Q2 2025	$301m	$301m
Capital Research Global Investors	Q1 2014	$53m	$53m
Quantbot Technologies LP	Q4 2018	$7.8m	$7.8m
Holocene Advisors LP	Q3 2019	$5.2m	$4.9m
T. Rowe Price Associates Inc	Q1 2014	$274m	last listed Q2 2025
Neuberger Berman Group LLC	Q3 2017	$262m	last listed Q1 2022
Janus Henderson Group Ltd	Q1 2024	$60m	last listed Q3 2025
AQR Capital Management LLC	Q3 2017	$51m	last listed Q2 2019
Capital World Investors	Q4 2022	$44m	last listed Q1 2026
Man Group PLC	Q1 2024	$31m	last listed Q3 2024
Baillie Gifford & Co	Q4 2023	$25m	last listed Q1 2026
Voloridge Investment Management LLC	Q4 2024	$15m	last listed Q1 2025
Two Sigma Investments LP	Q2 2017	$12m	last listed Q2 2017
Winton Group Ltd	Q3 2018	$11m	last listed Q1 2026

What MSA is worth

Knowing who owns it is half the question. The other half is what it is worth against the companies it trades beside, which is the one an interviewer will follow up with.

Build the comp set around MSA →

How much of the picture this is

A Form 13F reports US-listed long equity and nothing else: no shorts, no bonds, no cash and no non-US listings. It arrives forty-five days after the quarter ends, so a manager who sold in July still shows the position in a filing published in August. This page reads the managers on file here rather than every filer in the market, and each manager’s largest positions rather than the whole table, so a small position in a very large book may not appear. Say “their last filing showed” rather than “they own”, and the distinction will do you credit.

What to do with a name the funds are buying

Knowing who owns something is the start of a pitch, not the pitch. The next questions are what it is worth and why they were buying.

Comps ExplorerValue it against the peers it trades beside Every managerRead any of these books in full Deal tapeWhat buyers paid for whole companies, not slices Hedge fund interviewsHow the room runs, and the stock pitch it wants

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The holdings, every quarter, and the week between

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